Overtraining and Hormonal Disruption: Why More Training Could Mean Less Muscle. The fitness world loves to preach that more is better. More reps, more sweat, more “just one more set.” If you’re not crawling out of the gym, are you even trying? That’s the story we’re sold, anyway. But here’s the twist: push past a certain point, and your body doesn’t just stop improving. It starts breaking down—and not in the “no pain, no gain” kind of way. What Overtraining Syndrome Really Means Overtraining Syndrome (OTS) isn’t just feeling wiped out after a tough week. It’s your entire system going haywire because you’ve spent months or even years piling on more stress than your body can actually handle. Kreher and Schwartz (2012) call it a full-body malfunction—your hypothalamus (the brain’s stress command center) goes out of whack, hormones get scrambled, and suddenly you’re not just tired. You’re weaker. You’re moody. You get sick more often. And the hormones you need to build muscle...